Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\CacheWarmer\AbstractPhpFileCacheWarmer" not found in /var/www/html/vendor/doctrine/doctrine-bundle/CacheWarmer/DoctrineMetadataCacheWarmer.php:13 Stack trace: #0 {main} thrown in /var/www/html/vendor/doctrine/doctrine-bundle/CacheWarmer/DoctrineMetadataCacheWarmer.php on line 13